Home / 756,309.07-1,043,693.13-412,148.08

Finding the Fourth Proportional to 756,309.07, 1,043,693.13 and 412,148.08

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Solution

The fourth proportional to 756,309.07, 1,043,693.13 and 412,148.08 is: 568,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,309.07 : 1,043,693.13 = 412,148.08 : x
  2. Step 2: Convert to fraction form
    756,309.07/1,043,693.13 = 412,148.08/x
  3. Step 3: Cross multiply
    756,309.07x = 1,043,693.13 × 412,148.08
  4. Step 4: Simplify right side
    756,309.07x = 430,156,119,638.69
  5. Step 5: Solve for x
    x = 430,156,119,638.69/756,309.07
  6. Step 6: Final answer
    x = 568,757.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.